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Calculate the empirical formula of a com...

Calculate the empirical formula of a compound having percentage composition:
Potassium (K) = 26.57, Chromium (Cr) = 35.36, Oxygen (O) = 38.07.
(Given the Atomic weights of K, Cr and O are 39, 52 and 16 respectively)

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`therefore` Empirical formula of the compound = `K_(2)Cr_(2)O_(7)`
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